package com.doit.demo;

/**
 * @DATE 2021/12/30/9:44
 * @Author MDK
 * @Version 2021.2.2
 **/
public interface UserService {
    String msg = "用户名";

    public boolean login(String username, String pwd,  String repwd) ;
    public boolean reg();
    public default void show(){
        System.out.println("接口方法");
    }
}
